OPERATIONS MANUAL MTB-310A TEST BOX RELAY HEAT POWER 350 F / 177 C 375 F / 191 C 391 F / 199 C 168 C / 335 F 143 C / 289 F 97 C / 206 F

Transcription

1 OPERATIONS MANUAL MTB-310A TEST BOX VARIABLE BASKET LEFT HEAT RELAY HEAT RIGHT BASKET VARIABLE LIFT POWER LIFT 168 C / 335 F 143 C / 289 F 97 C / 206 F 350 F / 177 C 375 F / 191 C 391 F / 199 C 168 C / 335 F 143 C / 289 F 97 C / 206 F 350 F / 177 C 375 F / 191 C 391 F / 199 C 79 C / 175 F 3 C / 37 F SHORT CMIII CMII S O U N D NOTE: TEMPERATURES MAY VARY ±2 F / ±1 C FROM ACTUAL. 414 F / 212 C OPEN VARIABLE ALARM ON 79 C / 175 F 3 C / 37 F P O W E R SHORT ALARM TEST 414 F / 212 C OPEN VARIABLE 1A F.B. FUSE MTB310A The Frymaster Corporation, 8700 Line Avenue TEL FAX Hour Service Hotline MAR 11 * *

2 TABLE OF CONTENTS Page # INTRODUCTION 3 PARTS ORDERING 3 PARTS LIST 4 CONTROL PANEL DIAGRAM 5 COMPUTER MAGIC III.5 / DEAN Compu-Fry TEST PROCEDURE 6 SOLID STATE CONTROLLER TEST PROCEDURE 8 M2000 TEST PROCEDURE 9 DIGITAL CONTROLLER TEST PROCEDURE 12 ELECTRONIC TIMER TEST PROCEDURE 13 CM4-S TEST PROCEDURE 14 KFC-1 / SMS TEST PROCEDURE 15 2

3 INTRODUCTION The MTB-310A Test Box is a tester designed to test most Frymaster cooking computers and controllers for correct operating and controlling functions. PARTS ORDERING Parts orders must be placed directly with your local Factory Authorized Parts Distributor. If you do not have a Factory Authorized Service Center list, please contact Frymaster Service Department at or To speed up your order, the following information is required: Model Number: Part Number: Quantity Required: PARTS ORDERING/SERVICE INFORMATION CANADA Garland Commercial Ranges, Ltd., 1177 Kamato Road, Mississauga, Ontario L4W 1X4. NOTE: RETAIN AND STORE THIS MANUAL IN A SAFE PLACE FOR FUTURE USE. ADDITIONAL COPIES MAY BE OBTAINED FROM YOUR FACTORY AUTHORIZED SERVICE CENTER. 3

4 1 3 2 PARTS LIST Item Part Number Description Test Box MTB-310A 120/12V Domestic (Includes cable and transformer assembly.) Transformer Assembly 120/12V Domestic Cable Assembly, Frymaster Computers Only * Cable Assembly, Dean Compu-Fry Computer Only * Test Box MTB-310A 240/12V International (Includes cable and transformer assembly.) * Transformer Assembly 240/12V International * Not Illustrated 4

5 VARIABLE LEFT BASKET HEAT RELAY RIGHT HEAT BASKET VARIABLE LIFT POWER LIFT 168 C / 335 F 143 C / 289 F 97 C / 206 F F / 177 C 375 F / 191 C 391 F / 199 C 168 C / 335 F 143 C / 289 F 97 C / 206 F F / 177 C 375 F / 191 C 391 F / 199 C 79 C / 175 F 3 C / 37 F SHORT 8 CMIII CMII S O U N D NOTE: TEMPERATURES MAY VARY ±2 F / ±1 C FROM ACTUAL. 414 F / 212 C 79 C / 175 F OPEN 3 C / 37 F VARIABLE SHORT 9 ALARM 10 ON P 11 ALARM O W E R 12 TEST 414 F / 212 C OPEN VARIABLE 1A F.B. FUSE MTB310A 1. Left Basket Lift Indicator Basket Lift Motor Drive Not used for M2000 or KFC-1/SMS computers. 2. Left Heat Indicator ON When Heating 3. Power On Indicator Power to Fryer Relays & Computer 4. Right Heat Indicator ON When Heating 5. Right Basket Lift Indicator Basket Lift Motor Drive Not used for M2000 or KFC-1/SMS computers. 6. Left Probe Switch Simulates Temperature CONTROL PANEL 7. Right Probe Switch Simulates Temperature 8. Sound Switch Select Computer Type 9. Left Alarm Switch Simulates Alarm Signal Input 10. Tester ON/ Switch Power To MTB-310A Test Unit 11. Right Alarm Switch Simulates Alarm Signal Input 12. Test Switch Places Computer in Special Test Mode. To be used by Factory Certified Technicians or other qualified technicians with assistance from the Frymaster Service Department. NOTE: For power other than 120VAC 60Hz, use 240V transformer. 5

6 COMPUTER MAGIC III.5 / DEAN Compu-Fry* TEST PROCEDURE A. INITIAL TEST SET-UP *Note: Some of the test setups are the same for various computers found in 1. Set-up MTB-310A as follows: this manual. (a) Set ALARM switches (9 & 11) to. (b) Set PROBE switches (6 & 7) to 97 C/206 F. If using a Solid-State or Digital Controller, set to 79 C/175 F. (c) Set POWER switch (10) to. (d) Set SOUND switch (8) as required for each computer type. (e) Connect 120/24V transformer to 120VAC outlet or 240/24V transformer to 240VAC outlet. 2. Set computer/controller up as follows: (a) Set POWER switches to. (b) (c) Set MELT switches to. (Solid state controller only) Connect MTB-310A 15-pin connector to rear of computer or controller. 3. Set MTB-310A POWER switch (10) to ON (a) If using a CMIII.5, CM4-S or KFC1/SMS computer, program the set point to 375 F/191 C. If using an M2000 computer, use programming instructions in fryer service manual to program FR FRIES set point temperature to 168 C/335 F. If using a Digital Controller or an Electronic Timer/Basket Lift, program the setpoint to 350 F/177 C. B. TEST POWER TO FRYER INTERFACE BOARD 1. Press Computer/Controller ON/ switch to ON. 2. RELAY POWER indicator (3) should illuminate. NOTE: If testing a split vat computer or dual vat controller, complete previous step utilizing both computer/controller power switches (one ON at a time unless an M2000 computer or Electronic Timer/Basket Lift is being tested. Both sides of these computers can be tested at the same time.). C. TEST MELT-CYCLE FUNCTION 1. Press Computer/Controller ON/ switch to ON. 2. Set MTB-310A PROBE switches (6 & 7) to 79 C/175 F. (b) HEAT indicators (2 & 4) should cycle on and off with the computer heating indicator (decimal point on computers and digital controllers). CYCL, LOW TEMP or LOW will be displayed on the computers depending on the model. 3. Set MTB-310A PROBE switches (6 & 7) to 97 C/206 F. (a) HEAT indicators (2 & 4) should illuminate continuously. (b) Computer/Controller heat indicators (decimal point) will illuminate continuously and display either.-lo, LOW or a blank display depending on the model. NOTE: On a full vat computer, only RIGHT HEAT indicator (4) will function. 6

7 D. TEST CONTROLLING FUNCTION 1. Press Computer ON/ switch to ON (set point = 375 F). 2. Set MTB-310A PROBE switches (6 & 7) to VARIABLE. (d) Rotate VARIABLE knob counterclockwise until computer indicates - Lo. (c) Rotate VARIABLE knob slowly clockwise until computer indicates (d) Press Temperature Check Switch. Computer should indicate a temperature from one (1) to twenty (20) degrees below set point (375 F/191 C). If not, rotate the VARIABLE knobs counterclockwise very slowly until HEAT indicators (2 & 4) and computer decimal points cycle ON. Stop VARIABLE knobs. (e) HEAT indicators (2 & 4) and computer decimal points should now cycle ON and very slowly. E. TEST CONTROLLER HIGH LIMIT 1. Press Computer/Controller ON/ switch to ON. 2. Set MTB-310A PROBE switches (6 & 7) to 414 F/212 C. (b) Set Switch (8) to CMIII. (c) Controller should indicate either -HI -Hot, HI, HOT, 414 F/212 C, HELP, HI TEMP or a combination of these phrases with alarm sounding. F. TEST ALARM FUNCTION 1. Press Computer/Controller ON/ switch to ON. 2. Set MTB-310A PROBE switches (6 & 7) to 168 C/335 F. 3. Set ALARM switches (9 & 11) ON. Set Switch (8) to CMIII. 4. Computer/Controller should indicate -LO -HELP, IGNITION FAILURE or HELP with alarm sounding. G. TEST PROBE FAILURE MALFUNCTION 1. Press Computer/Controller ON/ switch to ON. 2. Set MTB-310A PROBE switches (6 & 7) to OPEN. (a) Computer/Controller should indicate -HI -Prob, PROBE FAILURE, Prob or HIGH TEMP PROBE FAILURE. 3. Set MTB-310A PROBE switches (6 & 7) to SHORT. (a) Computer/Controller should indicate CYCL -Prob, PROBE FAILURE or Prob. 7

8 H. TEST BASKET LIFT OPERATION 1. Press Computer ON/ switch to ON. 2. Program computer L and R cook timer switches greater than Set MTB-310A PROBE switches (6 & 7) to 375 F /191 C. 4. Press L switch on computer. (a) MTB-310A LEFT BASKET LIFT indicator (1) should illuminate. (b) Computer timer should count down. 5. Press R switch on computer. (a) MTB-310A RIGHT BASKET LIFT indicator (5) should illuminate. (b) Computer timer should count down. I. REPROGRAM COMPUTER TO SET POINT F/171 C NOTE: On a split vat computer, reprogram set point to 340 F/171 C on both sides of computer. 1. Set MTB-310A PROBE switches (6 & 7) to 97 C/206 F. 2. Reprogram computer set point to 340 F/171 C. 3. Computer test is now complete. SOLID-STATE CONTROLLER TEST PROCEDURE A. INITIAL TEST SET-UP See page 5 for instructions to run initial test set-up. B. TEST POWER TO FRYER INTERFACE BOARD See page 5 for instructions to test power to fryer interface board. C. TEST MELT-CYCLE FUNCTION See page 5 for instructions to test melt-cycle function. D. TEST CONTROLLING FUNCTION 1. Set Controller POWER switch to ON. 2. Set Controller temperature knob to 168 C/335 F. 3. Set Controller MELT switch to. 4. Set MTB-310A PROBE switches (6 & 7) to 168 C/335 F. (b) HEAT indicators (2 & 4) should cycle on and off very slowly. 5. Set MTB-310A PROBE switches (6 & 7) to 375 F/191 C. 6. Set Controller temperature knob to 375 F/191 C. (b) HEAT indicators (2 & 4) should cycle on and off very slowly. 8

9 NOTE: The Controller temperature knob may require calibration adjustment to pass the preceding test. E. TEST FIRST HIGH LIMIT 1. Set Controller Power switches to ON. 2. Set MTB-310A ALARM switches (9 & 11) to ON. 3. Set MTB-310A PROBE switches (6 & 7) to 414 F/212 C. (b) Controller? (trouble) indicator should illuminate. F. TEST ALARM FUNCTION 1. Set Controller Power switches to ON. 2. Set MTB-310A PROBE switches (6 & 7) to 375 F/191 C. 3. Set MTB-310A ALARM switches (9 and/or 11) to ON. (a) Controller? (trouble) indicator should illuminate. G. TEST PROBE FAILURE MALFUNCTION 1. Set Controller Power switches to ON. 2. Set MTB-310A PROBE switches (6 & 7) to OPEN. (a) Controller? (trouble) indicator should illuminate. H. TEST SECOND HIGH LIMIT H52 ONLY 1. Set Controller Power switches to ON. 2. Set MTB-310A PROBE switches (6 & 7) to 414 F/212 C. (b) Controller? (trouble) indicator should illuminate. 3. Set MTB-310A ALARM switches (9 & 11) to ON. 4. Press Hi-Limit test switch to position 2 and hold. The following Controller lights will be activated: (a) Power light ON. (b) Heat light ON. (c) Trouble light ON. (d) Second Hi-Limit light ON. M2000 TEST PROCEDURE A. INITIAL TEST SET-UP See page 5 for instructions to run initial test set-up. B. TEST POWER TO FRYER INTERFACE BOARD See page 5 for instructions to test power to fryer interface board. C. TEST MELT-CYCLE FUNCTION See page 5 for instructions to test melt-cycle function. 9

10 D. TEST CONTROLLING FUNCTION 1. Press Computer ON/ switches to ON. 2. Set MTB-310A PROBE switches (6 & 7) to VARIABLE. (b) Rotate VARIABLE knob counterclockwise until computer indicates LOW and TEMP alternately. (c) Rotate VARIABLE knob slowly clockwise until computer indicates LOW steady. (d) Press Temperature Check Switch. Computer should indicate a temperature from one (1) to twenty (20) degrees below set point (168 C/335 F). If not, rotate the VARIABLE knobs clockwise very slowly until HEAT indicators (2 & 4) and computer heat indicators come ON. Stop VARIABLE knobs. (e) Rotate the VARIABLE knobs clockwise again very slowly until HEAT indicators (2 & 4) and computer heat indicators come ON. Stop VARIABLE knobs. HEAT indicators (2 & 4) and computer heat indicators should now cycle ON and very slowly. (f) When the computer displays , the computer has reached setpoint. E. TEST FIRST HIGH LIMIT 1. Press Computer ON/ switch to. 2. Press 3. CODE shows in the left display. 4. Press 9999 for full vat or right side of split pot. Note: The test can only be conducted with the temperature set above 180 F (82 C), or the computer will display TOO COLD. 5. Set MTB-310A PROBE switches (6 & 7) to VARIABLE. 6. HIGH LIMIT shows in the right display. 7. Press computer #1 Right Operate Switch and hold while rotating right VARIABLE knob slowly clockwise. (a) Right side display of computer will alternate between HIGH LIMIT and the temperature display. The display will rise as VARIABLE knob is rotated clockwise until reaching 410 F/210 C. (b) At 410 F/210 C, computer will indicate 410 F/210 C and HI Repeat steps E.3. through E.4. for left side of computer. Enter 8888 for left side computer. Substitute the word left where right appears. 10

11 F. TEST SECOND HIGH LIMIT 1. Press Computer ON/ switch to. 2. Press 3. CODE shows in the left display. 4. Press 9999 for full vat or right side of split pot. Note: The test can only be conducted with the temperature set above 180 F (82 C), or the computer displays TOO COLD. 5. Set MTB-310A PROBE switches (6 & 7) to VARIABLE. 6. HIGH LIMIT shows in the right display. 7. Press the computer s right cook channel button 2 and hold while rotating the right VARIABLE knob slowly clockwise. (a) Right side display of computer will alternate between HIGH LIMIT and temperature displays until hi-limit opens. The display will rise as VARIABLE knob is rotated clockwise. 8. When computer indicates 450 F/232 C, stop rotating the VARIABLE knob and set Right ALARM Switch to ON. (a) Right side of computer should indicate HI-2 and 450 F/232 C alternately. 9. Repeat steps F.3. through F.4. for left side of computer. Substitute the word left where right appears. G. TEST ALARM FUNCTION See page 6 for instructions to test alarm function. H. TEST PROBE FAILURE MALFUNCTION See page 6 for instructions to test probe failure malfunction. I. REPROGRAM COMPUTER TO SET POINT F/168 C NOTE: A M2000 computer that is used on a split vat fryer must be programmed to a set-point temperature of 335 F/168 C for FR FRIES on both sides. 1. Use programming instructions in fryer service manual to program setpoint temperatures for FR FRIES, 335 F/168 C. 2. After reprogramming set-point temperatures, press Computer ON/ switches to. 11

12 DIGITAL CONTROLLER TEST PROCEDURE A. INITIAL TEST SET-UP See page 5 for instructions to run initial test set-up. B. TEST POWER TO FRYER INTERFACE BOARD See page 5 for instructions to test power to fryer interface board. C. TEST MELT-CYCLE FUNCTION See page 5 for instructions to test melt-cycle function. D. TEST CONTROLLING FUNCTION 1. Press Controller ON/ switches to ON (set point = 350 F/177 C). 2. Set MTB-310A PROBE switches (6 & 7) to 350 F/177 C. (b) HEAT indicators (2 & 4) and controller heat indicators (decimal points) should cycle on and off very slowly. E. TEST CONTROLLER HIGH LIMIT See page 6 for instructions to test controller high limit. F. TEST ALARM FUNCTION See page 6 for instructions to test alarm function. G. TEST PROBE FAILURE MALFUNCTION See page 6 for instructions to test probe failure malfunction. H. REPROGRAM CONTROLLER TO SET POINT AS NECESSARY 1. Set MTB-310A PROBE switches (6 & 7) to 79 C/175 F. (a) Reprogram controller to desired set-point temperature. NOTE: On a split vat controller, reprogram set point as necessary on both sides of controller. 12

13 ELECTRONIC TIMER / BASKET LIFT TEST PROCEDURE A. INITIAL TEST SET-UP See page 5 for instructions to run initial test set-up. B. TEST POWER TO FRYER INTERFACE BOARD See page 5 for instructions to test initial power to fryer interface board. C. TEST MELT-CYCLE FUNCTION See page 5 for instructions to test melt-cycle function. D. TEST CONTROLLING FUNCTION 1. Press Electronic Timer ON/ switches to ON (set point = 350 F/177 C). 2. Set MTB-310A PROBE switches (6 & 7) to 350 F/177 C. (b) HEAT indicators (2 & 4) and Electronic Timer heat indicators (decimal points) should cycle on and off very slowly. E. TEST CONTROLLER HIGH LIMIT See page 6 for instructions to test controller high limit. F. TEST ALARM FUNCTION See page 6 for instructions to test alarm function. G. TEST PROBE FAILURE MALFUNCTION See page 6 for instructions to test probe failure malfunction. H. TEST BASKET LIFT OPERATION 1. Set MTB-310A PROBE switches (6 & 7) to 168 C /335 F. 2. Set MTB-310A ALARM switches (9 & 11) to. 3. Press Electronic Timer ON/ switches to ON. (b) Both Electronic Timer indicators indicate XXX cook time. 4. Press Electronic Timer cook switches. (a) Both BASKET LIFT indicators (1 & 5) on MTB-310A should illuminate. (b) Electronic Timer indicators should count down. (c) When Electronic Timer indicators reach 0 time, both BASKET LIFT indicators (1 & 5) on MTB-310A will go and alarm will sound. (d) Electronic Timer will indicate COOC. 13

14 5. Press Electronic Timer cook switches. (a) Electronic Timer indicators will return to programmed cook time. I. REPROGRAM ELECTRONIC TIMER TO SET POINT AS NECESSARY NOTE: On a split vat Electronic Timer, reprogram set-point temperature as necessary on both sides of timer. 1. Set MTB-310A PROBE switches (6 & 7) to 79 C/175 F. 2. Set MTB-310A ALARM switches (9 & 11) to. 3. Press Electronic Timer ON/ switches to ON. (a) Reprogram Electronic Timer to desired set-point temperature. 4. Press Electronic Timer ON/ switches to. 5. Set MTB-310A POWER switch (10) to. CM4-S COMPUTER TEST PROCEDURE A. INITIAL TEST SET-UP See page 5 for instructions to run initial test set-up. B. TEST POWER TO FRYER INTERFACE BOARD See page 5 for instructions to test initial power to fryer interface board. C. TEST MELT-CYCLE FUNCTION See page 5 for instructions to test melt-cycle function. D. TEST CONTROLLING FUNCTION 1. Press Computer ON/ switch to ON (set point = 375 F). 2. Set MTB-310A PROBE switches (6 & 7) to VARIABLE. (b) Rotate VARIABLE knob counterclockwise until the computer indicates LOW. HEAT indicators (2 & 4) should cycle on and off with the computer heat indicators. (c) Rotate VARIABLE knob slowly clockwise until the computer indicates (d) Press the Temperature Check Switch. Computer should indicate a temperature from one (1) to twenty-five (25) degrees below set point (375 F/191 C). If not, rotate the VARIABLE knobs counterclockwise very slowly until the HEAT indicators (2 & 4) and computer decimal points cycle ON. Stop rotating the VARIABLE knobs. 14

15 (e) HEAT indicators (2 & 4) and computer decimal points should now cycle ON and very slowly. E. TEST CONTROLLER HIGH LIMIT See page 6 for instructions to test controller high limit. F. TEST ALARM FUNCTION See page 6 for instructions to test alarm function. G. TEST PROBE FAILURE MALFUNCTION See page 6 for instructions to test probe failure malfunction. H. REPROGRAM COMPUTER TO SET POINT F/171 C NOTE: On a split vat computer, reprogram set point to 340 F/171 C on both sides of computer. 1. Set MTB-310A PROBE switches (6 & 7) to 97 C/206 F. 2. Reprogram computer set point to 340 F/171 C. 3. Computer test is now complete. KFC-1 / SMS COMPUTER TEST PROCEDURE A. INITIAL TEST SET-UP See page 5 for instructions to run initial test set-up. B. TEST POWER TO FRYER INTERFACE BOARD See page 5 for instructions to test initial power to fryer interface board. C. TEST MELT-CYCLE FUNCTION See page 5 for instructions to test melt-cycle function. D. TEST CONTROLLING FUNCTION 1. Press Computer ON/ switch to ON (set point = 340 F/171 C). 2. Set MTB-310A PROBE switches (6 & 7) to VARIABLE. (b) Rotate VARIABLE knob counterclockwise until computer indicates LOW. HEAT indicators (2 & 4) should cycle on and off with computer heat indicators. (c) Rotate VARIABLE knob slowly clockwise until computer displays a numerical temperature. (d) Press Temperature Check Switch. Computer should indicate a temperature from one (1) to eighty-five (85) degrees below set point (340 F/171 C). If not, rotate the VARIABLE knobs counterclockwise very slowly until HEAT indicators (2 & 4) and 15

16 computer decimal points cycle ON. Stop rotating the VARIABLE knobs. (e) HEAT indicators (2 & 4) and computer decimal points should now cycle ON and very slowly. The computer will display DROP. E. TEST CONTROLLER HIGH LIMIT See page 6 for instructions to test controller high limit. F. TEST ALARM FUNCTION See page 6 for instructions to test alarm function. G. TEST PROBE FAILURE MALFUNCTION See page 6 for instructions to test probe failure malfunction. H. REPROGRAM COMPUTER TO SET POINT F/171 C NOTE: On a split vat computer, reprogram set point to 340 F/171 C on both sides of computer. 1. Set MTB-310A PROBE switches (6 & 7) to 97 C/206 F. 2. Reprogram computer set point to 340 F/171 C. 3. Computer test is now complete. 16

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18 Frymaster, L.L.C Shipping Address: 8700 Line Avenue, Shreveport, Louisiana TEL FAX (Parts) PRINTED IN THE UNITED STATES FAX (Tech Support) SERVICE HOTLINE MAR 11